diff --git a/static/src/app/methods/taskPolling.ts b/static/src/app/methods/taskPolling.ts
index f51947f..9faf473 100644
--- a/static/src/app/methods/taskPolling.ts
+++ b/static/src/app/methods/taskPolling.ts
@@ -824,6 +824,9 @@ export const taskPollingMethods = {
     if (this.rightWidth < this.minPanelWidth) {
       this.rightWidth = this.minPanelWidth;
     }
+    if (this.isMobileViewport && this.activeMobileOverlay !== 'approval') {
+      this.openMobileOverlay('approval');
+    }
     this.$forceUpdate();
   },
 
@@ -837,6 +840,9 @@ export const taskPollingMethods = {
     );
     if (!this.pendingToolApprovals.length) {
       this.rightCollapsed = true;
+      if (this.isMobileViewport && this.activeMobileOverlay === 'approval') {
+        this.closeMobileOverlay();
+      }
     }
     this.$forceUpdate();
   },
diff --git a/static/src/app/methods/ui.ts b/static/src/app/methods/ui.ts
index 8ada1dc..8ff8d05 100644
--- a/static/src/app/methods/ui.ts
+++ b/static/src/app/methods/ui.ts
@@ -689,6 +689,9 @@ export const uiMethods = {
   async fetchPendingToolApprovals() {
     if (!this.currentConversationId) {
       this.pendingToolApprovals = [];
+      if (this.isMobileViewport && this.activeMobileOverlay === 'approval') {
+        this.closeMobileOverlay();
+      }
       return;
     }
     try {
@@ -706,6 +709,11 @@ export const uiMethods = {
         if (this.rightWidth < this.minPanelWidth) {
           this.rightWidth = this.minPanelWidth;
         }
+        if (this.isMobileViewport && this.activeMobileOverlay !== 'approval') {
+          this.openMobileOverlay('approval');
+        }
+      } else if (this.isMobileViewport && this.activeMobileOverlay === 'approval') {
+        this.closeMobileOverlay();
       }
     } catch (_error) {
       // ignore
@@ -740,6 +748,9 @@ export const uiMethods = {
       );
       if (!this.pendingToolApprovals.length) {
         this.rightCollapsed = true;
+        if (this.isMobileViewport && this.activeMobileOverlay === 'approval') {
+          this.closeMobileOverlay();
+        }
       }
     } catch (error) {
       const msg = error instanceof Error ? error.message : String(error || '审批失败');